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The Long March-5 Y5 rocket, carrying the Chang’e-5 lunar probe, takes off from Wenchang Space Launch Center, in Wenchang, Hainan province, China on November 24, 2020

China launches Moon probe to bring back lunar rocks

The original mission, planned for 2017, was delayed due to an engine failure in the Long March 5 rocket.

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Image used for representation purpose.

Delighted over Oxford-AstraZeneca vaccine’s efficacy: Adar Poonawalla

Bindu Shajan Perappadan

This composite, false-color image of Mount Sharp inside Gale crater on Mars shows geologists a changing planetary environment. On Mars, the sky is not blue, but the image was made to resemble Earth so that scientists could distinguish stratification layers.

Data from Curiosity rover hints at ancient megaflood in Mars: study

PTI The most likely cause of the Mars flooding was the melting of ice from heat generated by a large impact, which released carbon dioxide and methane from the planet’s frozen reservoirs

A bee in flight in search of nectar at a park in Visakhapatnam | File

The best from the science journals: Bees of the world, Unite!

Aswathi Pacha Here is some of the most interesting research to have appeared in top science journals last week

Editor's Pick

Stick to plans: The trials should go on and complete their full pre-established planned duration, says Anant Bhan.

Ethics of denying COVID-19 vaccine to placebo group

R. Prasad Offering to the placebo group will mean unblinding the study, making it almost impossible to gather further information on vaccine efficacy.

Training programmes: Nearly 2,500 ASHA workers and 1,000 field workers were trained.

How kala-azar was eliminated from a highly endemic district in Bihar

Aswathi Pacha Integrated control strategy in Vaishali district helped reduce cases from 664 in 2014 to 163 in 2016

Fossil: Tooth of Bagualia alba.

Twice hit by climate change

Agence France-Presse Global warming may have killed many dinosaurs 179 MYA

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Watch | Two decades of humans living in space

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China calls launch a success as robotic spacecraft heads to moon

Delighted over Oxford-AstraZeneca vaccine’s efficacy: Adar Poonawalla

Oxford vaccine shows 90% efficacy in Phase-3 trial

Data from Curiosity rover hints at ancient megaflood in Mars: study

The best from the science journals: Bees of the world, Unite!

Huge Puerto Rico radio telescope to close in blow to science

Watch | Two decades of humans living in space

In November 2000, three astronauts stepped into NASA's International Space Station. Since then, more than 240 men and women have lived in space.

U.S.-European ocean monitoring satellite launches into orbit

The measurements are important for understanding overall sea level rise due to global warming

The Hindu Explains | Who are the top contenders in the race for a COVID-19 vaccine?

What are the hurdles in the way to stem the march of the SARS-CoV-2 virus?

A successful solution to the ‘slash and burn’ problem

Field trials of the Pusa decomposer in Delhi, Haryana region show promise

Question Corner: Why do some tarantulas have vivid blue and green colours?

Readers may send their questions/answers to questioncorner@thehindu.co.in

Ethics of denying COVID-19 vaccine to placebo groupp

Offering to the placebo group will mean unblinding the study, making it almost impossible to gather further information on vaccine efficacy.

Twice hit by climate change

Global warming may have killed many dinosaurs 179 MYA

How kala-azar was eliminated from a highly endemic district in Bihar

Integrated control strategy in Vaishali district helped reduce cases from 664 in 2014 to 163 in 2016

Indian-American doctor identifies possible COVID-19 treatment

“Understanding the pathways and mechanism driving this inflammation is critical to develop effective treatment strategies,” says Dr. Thirumala-Devi Kanneganti

Scientists discover oldest known human-made nanostructures in ancient artifacts in Tamil Nadu

Research reveals that these coatings are made of carbon nanotubes (CNTs) which have enabled the layer to last more than 2,600 years

‘Initial support will cover 92 low- and middle-income economies for COVID-19 vaccines’, says Gavi the Vaccine Alliance CEO Seth Berkley

Gavi the Vaccine Alliance has reserved 1 billion doses to bolster nations’ efforts

1st animal study in India on coronavirus moves to its final stage: AYUSH Ministry

It describes the study as one of the most sophisticated research projects in the country.

Coronavirus | Oxford University COVID-19 vaccine ‘encouraging’ for older age groups: study

This means there are now four promising vaccines on the horizon after Pfizer-BioNTech, Sputnik and Moderna already reporting good preliminary data from Phase 3 trials

Coronavirus | Study reveals how smoking worsens COVID-19 infection in the airways

"If you think of the airways like the high walls that protect a castle, smoking cigarettes is like creating holes in these walls," said Brigitte Gomperts, a co-author of the study

From Vitamins to NASA: The Hindu Science Quiz

Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

Know the scientist: Sir Lawrence Bragg

He was awarded the Hughes Medal of the Royal Society in 1931

Coronavirus | Pfizer ends COVID-19 vaccine trial with 95% efficacy, to seek emergency-use authorisation

Moderna Inc on November 16 released preliminary data for its vaccine, showing similar effectiveness.

Bad cabling blamed for failed launch of European satellites

The Vega rocket was carrying Spain’s first Earth observation satellite, called SEOSAT-Ingenio, and TARANIS, a French satellite designed to observe events in the upper atmosphere

Can surgical masks be reused?

The U.S. Food and Drug Administration (FDA) recommends — in emergency circumstances — hydrogen peroxide vapour to decontaminate the N95 masks worn by healthcare workers.　

WHO launches strategy to accelerate elimination of cervical cancer

“We want countries to aim for 90% of girls under 15 vaccinated, 70% of eligible women identified and treated, 90% of women with invasive cancer treated,” Dr. Princess Nothemba Simelela from South Africa, WHO assistant director general, told a news briefing.

Building blocks of life can form long before stars: study

The researchers showed that it is possible for glycine to form on the surface of icy dust grains of comets, in the absence of energy, through ‘dark chemistry’

SpaceX capsule carrying 4 astronauts docks with International Space Station

The three Americans and one Japanese astronaut will remain at the orbiting lab until their replacements arrive on another Dragon in April

Bharat Biotech’s COVID-19 vaccine Covaxin enters phase-3 trials

26,000 volunteers to form part of the study

Moderna says its vaccine appears to be 94.5% effective, shows early success in U.S. tests

Moderna’s vaccine, created with the National Institutes of Health, is being studied in 30,000 volunteers who received either the real vaccination or a dummy shot

Biological E. Limited’s COVID-19 vaccine enters Phase I/II trial

The results of this clinical trial are expected to be available by February 2021

The best from the science journals: When Jupiter’s moon glowed

Here is some of the most interesting research to have appeared in top science journals last week

UK to run final stage trials of Janssen COVID vaccine

Scientists will begin recruiting some 6,000 people across the U.K. on Monday for the 12-month trial.

'One heck of a ride': SpaceX launches astronauts into space

This is the second crew to be launched by the private space company.

Watch | Hi-tech translation masks

A video on Japanese company Donut Robotics' "C-Face" mask

Tristan da Cunha island creates massive marine protection zone

The sanctuary will be the biggest “no-take zone” in the Atlantic Ocean

The Sunday Quiz: Easy like Sunday morning

All these animals and plants have a common name because of the way they look! Just fill in the blanks with what you think they look like. The number in the brackets is the number of letters of the word. Good luck!

Egypt finds treasure trove of over 100 sarcophagi

They were found in three burial shafts in the sweeping Saqqara necropolis south of Cairo.

Coronavirus | India has initiated an integrated response against COVID-19 pandemic: Harsh Vardhan

India is hosting clinical trials for all the major vaccines, and about 20 vaccines are in different stages of development, says the Union Minister

SpaceX launch of crew on first 'operational' mission delayed by weather

This is NASA's first full-fledged human mission using a privately owned spacecraft.

Japan Nobel laureate Masatoshi Koshiba, who found neutrinos, dies at 94

Koshiba devised the construction of giant underground chambers to detect neutrinos, elusive particles that stream from the sun.

New genus of tree frog discovered, found in Andamans and Northeast India

Frogs of this genus are known to inhabit forested as well as human-dominated landscapes right from Northeast India, Andaman Islands, Myanmar, Thailand, Malaysia, Indonesia, Vietnam, Laos, and Cambodia, up to southern China.

Coronavirus | Evidence of two-way transmission found on mink farms

The researchers performed an in-depth investigation among the first 16 infected farms in the Netherlands

3,000-year-old fortress unearthed in Golan Heights

Barak Tzin, who directed its excavation for the Israel Antiquities Authority, estimated that it covered more than 1,000 square metres.

Coronavirus | 18 generic drug companies pledge to make COVID-19 drugs for developing countries

The companies have come together under the umbrella of the non-profit Medicines Patent Pool (MPP).

COVID-19 vaccine Sputnik V shows 92% efficacy, says Russia

Results are based on an analysis of 20 participants in phase 3 trial

Coronavirus | New ‘hidden’ gene identified

The gene elicits strong antibody response in COVID-19 patients, demonstrating that the protein produced from the new gene is manufactured during human infection.

Report sounds an alarm on ongoing decline of U.S. coral reefs

The reefs off the Florida coast are the country’s most degraded, with perhaps as little as 2% remaining, officials said.

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